Rigid handcuff



FIG. 1 is a perspective view of a rigid handcuff, showing my new design;

FIG. 2 is a plan view of the rigid handcuff in FIG. 1;

FIG. 3 is a plan view of the opposite side of the rigid handcuff in FIG. 2;

FIG. 4 is a side edge view thereof;

FIG. 5 is an end view thereof; and,

FIG. 6 is an end view thereof, the opposite end view being a mirror image.

The broken lines shown on the rigid handcuff is included for the purpose of illustration and forms no part of the claimed design. 

The ornamental design for a rigid handcuff, as shown and described. 